Answer:
The skin performs six primary functions which include, protection, absorption, excretion, secretion, regulation and sensation. The skin functions as our first line of defense against toxins, radiation and harmful pollutants.
Answer: RNA and DNA are the main ones, but mRNA and rRna are some, too
Explanation:
Hind forests and stag forests are so called because of the tendencies of red deer to form large, single-sex herds outside the autumn rutting time, and most forests hold either a resident stag herd or a hind herd for much of the year.
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. ... As the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated
